starting issue


Information and questions on GL1500 Goldwings (1988-2000)
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Coyote1
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Joined: Fri Aug 15, 2014 4:39 pm
Location: Sacramento, California
Motorcycle: 1998 GL1500

starting issue

Postby Coyote1 » Wed Aug 20, 2014 4:57 pm



I just bought a 98 1500A and have a strange starting problem. When you hit the start button the engine cranks but does not start until the moment you release the button. At that moment it starts right up. I suspect I have a bad solenoid, relay or maybe just a loose nut behind the wheel. The voltage is good and it cranks well. I don't have a wiring diagram yet so I thought I would pick your collective brains.


The further I go the behinder I get.

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MikeB
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Location: Tacoma, WA
Motorcycle: 1998 - GL1500 Aspencade.
2003 - GL1800A

Re: starting issue

Postby MikeB » Wed Aug 20, 2014 5:30 pm

Weak battery. The voltage is dropping below 10 volts as you are cranking and there is insufficient voltage for ignition. Fully charging the battery will rectify the problem for a while if the battery can hold the charge. Otherwise a new battery is in your future.
MikeB
Tacoma, WA, USA

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Coyote1
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Location: Sacramento, California
Motorcycle: 1998 GL1500

Re: starting issue

Postby Coyote1 » Wed Aug 20, 2014 5:59 pm

Battery is new and shows 12.8 volts sitting. Drops to 10.3 when cranking. Charges at 14.1.
Cranks strong and everything seems normal. I suspect the solenoid but I've never seen one do this.
The further I go the behinder I get.

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WingAdmin
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Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: starting issue

Postby WingAdmin » Wed Aug 20, 2014 10:13 pm

Coyote1 wrote:Battery is new and shows 12.8 volts sitting. Drops to 10.3 when cranking. Charges at 14.1.
Cranks strong and everything seems normal. I suspect the solenoid but I've never seen one do this.


What you are describing is a VERY well known trait of the GL1500 when it has a weak battery. GL1500's need a LOT of power to start, and weak or inferior quality batteries cannot provide enough power to both crank the engine AND generate a strong enough spark for it to start at the same time. So you press the starter, it cranks the engine, but the spark is too weak to light off the engine. The instant you let go of the starter button, the engine is still spinning, but the starter is no longer drawing power. The battery now has enough power to generate a strong spark, and the engine lights off and starts up.

Put a new, quality battery (an AGM type is best) in the bike, and this problem will go away.

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Mh434
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Motorcycle: 1997 gl1500 SE
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1981 GL1100I
1989 Kawasaki Concours

Re: starting issue

Postby Mh434 » Wed Aug 20, 2014 10:21 pm

I was writing a long response, but I see WingAdmin beat me to it. Precisely what I was going to say! I've seen many issues identical to yours, and the answer has been the battery, every single time.

To prove it to yourself, hook up a working car or motorcycle battery (NOT attached to a running engine!) to your bike's battery, and try starting it. I expect it will spin over & start immediately.

BTW, I wouldn't suspect the solenoid - if it was bad, you'd only get a 'click', or nothing at all, when you pressed the start button.

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Coyote1
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Location: Sacramento, California
Motorcycle: 1998 GL1500

Re: starting issue

Postby Coyote1 » Wed Aug 20, 2014 11:59 pm

Okay, I think I get the picture. Just never encountered this before.
I think I'll look for a high amp battery.
Thanks for the help.
The further I go the behinder I get.

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dingdong
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Location: Oklahoma City
Motorcycle: 1976 gl1000
1993 gl1500
2004 NRX1800 Rune

Re: starting issue

Postby dingdong » Thu Aug 21, 2014 7:31 am

In my case when using the old style lead acid battery the bike would do the same thing. Even with a new battery. When I changed over to an AGM battery it eliminated the problem. The starter is also spinning at almost twice the speed compared to the lead acid. I was amazed at the difference.
Tom

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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WingAdmin
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Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: starting issue

Postby WingAdmin » Thu Aug 21, 2014 10:00 am

dingdong wrote:In my case when using the old style lead acid battery the bike would do the same thing. Even with a new battery. When I changed over to an AGM battery it eliminated the problem. The starter is also spinning at almost twice the speed compared to the lead acid. I was amazed at the difference.


Agreed. They really should have specified an AGM battery for the GL1500, it is so power-hungry. With a good AGM battery in my GL1500, it starts pretty much the instant I touch the starter.

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wingpilot08
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Motorcycle: 2008 GL1800-HPNA - 24,000+ miles
1988 Bunkhouse camping trailer
Darkside #1720

Re: starting issue

Postby wingpilot08 » Thu Aug 21, 2014 10:49 am

Get a Big Crank Battery ( just google it)...great battery! Better yet...here is the link!!

http://www.batterymart.com/p-Big-Crank-ETX18L-Battery.html?Category_Code=honda-gl1500-gold-wing-battery


08' GL1800-HPNA - Red 20,000+ miles
1988 Bunkhouse Trailer/Camper
Darkside #1720


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